.btn {
  display: inline-block;
  padding: 0.6rem 1.5rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 700;
  text-align: center;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  border: none;
}
.btn-primary {
  background-color: var(--color-primary);
  color: #fff;
}
.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
}
.btn-outline {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}
.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
}
.btn-small {
  padding: 0.3rem 0.8rem;
  font-size: 0.9rem;
}